CN112478037A

CN112478037A - Child's bike

Info

Publication number: CN112478037A
Application number: CN202011491109.1A
Authority: CN
Inventors: 郑振极; 许如君
Original assignee: Ningbo Family Baby Products Co ltd
Current assignee: Ningbo Family Baby Products Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-03-12

Abstract

The invention discloses a children vehicle, which comprises a front support frame, wherein the front support frame is connected with a steering assembly, the lower end of the steering component is connected with a front wheel, the front wheel is connected with a pedal, the lower side of the front strut is provided with a first connecting position, the upper side of the front supporting frame is provided with a second connecting position, the baby carriage also comprises a supporting frame which can be switched between the first connecting position and the second connecting position and is connected with the front supporting frame, the supporting frame is connected with a bottom support frame which can rotate relative to the supporting frame, the rear side of the bottom support frame is provided with a rear wheel, the supporting frame or the bottom support frame is also connected with a seat frame which can be unfolded and folded, and when the support frame is connected with the first connecting position, the included angle between the support frame and the bottom support frame is smaller than the included angle between the support frame and the bottom support frame when the support frame is connected with the second connecting position. The invention can be used as a scooter or a bicycle, and has various functions.

Description

Child's bike

[ technical field ] A method for producing a semiconductor device

The invention relates to a child vehicle.

[ background of the invention ]

The scooter and the pedal vehicle are common products in the growth process of children. When the scooter is used by children, the steering assembly is held by both hands, one foot is stepped on the bottom support frame of the scooter, and the other foot is stepped on the ground to slide, so that the children play. The bicycle is provided with pedals on the front wheel, and the children step on the pedals with double feet to move the pedals, thereby playing. The scooter and the foot pedal on the existing market have single functions, namely the scooter can only be used as the scooter, and the scooter can only be used as the scooter. Therefore, more and more users want the child's bike that can be used as both a scooter and a bicycle, thereby achieving a variety of functions.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art and provides a child bicycle which can be used as a scooter or a bicycle and has various functions.

The invention is realized by the following technical scheme:

the utility model provides a child's bike, includes preceding strut 1, preceding strut 1 on be connected with and turn to subassembly 2, 2 lower extremes of steering unit be connected with front wheel 3, front wheel 3 on be connected with running-board 4, its characterized in that: preceding strut 1 downside be equipped with

first junction position

5, 1 upside of preceding strut be equipped with second junction position 6, the child's bike still including can switch between first junction position 5 and second junction position 6 and with the support frame 7 that preceding strut 1 is connected, support frame 7 on be connected with its pivoted end brace frame 8 relatively, end brace frame 8 rear side be equipped with the rear wheel 9, support frame 7 or end brace frame 8 on still be connected with the seat frame 10 that can expand and can close again, and, work as support frame 7 and first junction position 5 be connected, support frame 7 and end brace frame 8 between contained angle A be less than when support frame 7 and second junction position 6 are connected contained angle B between support frame 7 and the end brace frame 8.

The child vehicle is characterized in that: the seat frame 10 is rotatably connected to the position where the support frame 7 is connected with the bottom support frame 8.

The child vehicle is characterized in that: the upper end of the support frame 7 is connected with the front support frame 1 in a sliding way and can be switched between a first connecting position 5 and a second connecting position 6, and the lower end of the support frame 7 is rotatably connected with the bottom support frame 8 through a connecting joint 11.

The child vehicle is characterized in that: the support frame 7 comprises a sliding sleeve 71 which is sleeved on the front support frame 1 and can slide up and down, a support plate 72 which extends obliquely is arranged on the sliding sleeve 71, and the bottom support frame 8 is connected to the lower end of the support plate 72.

The child vehicle is characterized in that: the first connecting position 5 and the second connecting position 6 are recessed holes formed in the front support frame 1, the sliding sleeve 71 is provided with a latch pin 121 capable of moving transversely in the sliding sleeve and being engaged with or disengaged from the recessed holes, the latch pin 121 is provided with an operating part 122 exposed out of the support frame 7, a first return spring 123 capable of pushing the latch pin 121 to return is further arranged between the support frame 7 and the latch pin 121, the latch pin 121 is provided with a clamping groove 124, the support frame 7 is provided with a sliding pin 125 capable of sliding in the sliding pin and being engaged with or disengaged from the clamping groove 124 and being exposed out of the support frame 7, and a second return spring 126 is further arranged between the support frame 7 and the sliding pin 125.

The child vehicle is characterized in that: the pedal 4 is detachably connected with the front wheel 3, the support frame 7 is provided with a containing groove 73 capable of containing the pedal 4, and when the baby carriage is used as a scooter, the seat frame 10 is folded on the support frame 7 to seal the pedal 4 in the containing groove 73.

The child vehicle is characterized in that: the connecting joint 11 comprises a first joint seat 111 arranged at the lower end of the support frame 7 and a second joint seat 113 arranged at the front end of the bottom support frame 8 and rotatably connected with the first joint seat 111 around a first pin shaft 112, tooth grooves 114 are formed in the first joint seat 111 and the second joint seat 113 along the circumferential direction, a gear 115 capable of axially moving and simultaneously clamped with the tooth grooves 114 on the first joint seat 111 and the second joint seat 113 is arranged in a space surrounded by the first joint seat 111 and the second joint seat 113, a third return spring 116 is further arranged between the gear 115 and the first joint seat 111, and a button 117 exposed and capable of pushing the gear 115 to separate the gear 115 from the tooth grooves 114 on the second joint seat 113 is arranged on the second joint seat 113.

The child vehicle is characterized in that: the seat frame 10 is provided with a hinge seat 131 capable of rotating around the first pin shaft 112, the hinge seat 131 is provided with an arc-shaped groove 132, a second pin shaft 133 which is parallel to the first pin shaft 112 and passes through the arc-shaped groove 132 is arranged on the first joint seat 111, the first joint seat 111 is further provided with two positioning holes 134 along the circumferential direction, the hinge seat 131 is internally provided with a positioning pin 135 which can axially move to be clamped with or separated from the positioning holes 134, the positioning pin 135 is provided with an arc-shaped end part, and a fourth return spring is arranged between the positioning pin 135 and the hinge seat 131, when the seat frame 10 is folded on the supporting frame 7, the circular arc end of the positioning pin 135 is engaged in one of the positioning holes 134, when the seat frame 10 is rotated and unfolded relative to the supporting frame 7, the arc-shaped end of the positioning pin 135 is engaged with the other positioning hole 134.

The child vehicle is characterized in that: the steering assembly 2 comprises a steering rod 21 capable of rotating in the front support frame 1, the front wheels 3 are connected to the lower end of the steering rod 21, a steering handle 22 capable of stretching and retracting in the steering rod 21 is arranged in the steering rod 21, and a positioning structure 14 for positioning the steering handle 22 and the steering rod 21 is arranged between the steering handle 22 and the steering rod 21.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the first connecting position is arranged at the lower side of the front support frame, the second connecting position is arranged at the upper side of the front support frame, when the support frame is connected to the first connecting position, the seat frame is folded, the baby carriage can be used as a scooter, one foot of a child steps on the bottom support frame, and the other foot of the child slides while stepping on the ground, so that the child plays; when the support frame is connected to the second connection position, the support frame risees, and the relative support frame of end brace frame rotates, the contained angle grow between end brace frame and the support frame, and the rear wheel still supports subaerial, expandes the seat frame this moment, and children can sit on the seat frame, and the running-board is trampled to both feet and make the perambulator use as the bicycle to play. Therefore, the position of the supporting frame connected to the front supporting frame can be changed by switching between the first connecting position and the second connecting position, the operation is convenient, and the functions of the baby carriage are diversified.

2. When the support frame is connected to the first connecting position, the seat frame can be folded, and the bottom support frame can be folded by rotating relative to the support frame, so that the whole child bicycle can be folded, the occupied space is reduced, and the child bicycle is convenient to store and carry.

3. The supporting frame is connected with the front supporting frame in a sliding mode, so that when the using state of the baby carriage is changed, the supporting frame only needs to slide up and down along the front supporting frame, and then the bottom supporting frame rotates relative to the supporting frame, and operation is very convenient and smooth.

[ description of the drawings ]

FIG. 1 is a side view of the present invention when the scooter is in use;

FIG. 2 is a perspective view of the present invention when the scooter is in use;

FIG. 3 is a side elevational view of the present invention as the cycle is in use;

FIG. 4 is a perspective view of the present invention as the bicycle is in use;

FIG. 5 is a partial cross-sectional view of the present invention;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is one of the exploded views of the components of the present invention;

FIG. 8 is a second exploded view of the components of the present invention;

fig. 9 is a side view of the present invention in a folded state.

[ detailed description ] embodiments

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 4 and 9, a child vehicle comprises a front support frame 1, a steering assembly 2 is connected to the front support frame 1, a front wheel 3 is connected to the lower end of the steering assembly 2, a pedal 4 is connected to the front wheel 3, a first connecting position 5 is arranged on the lower side of the front support frame 1, a second connecting position 6 is arranged on the upper side of the front support frame 1, the child vehicle further comprises a support frame 7 which can be switched between the first connecting position 5 and the second connecting position 6 and is connected with the front support frame 1, a bottom support frame 8 which can rotate relative to the support frame 7 is connected to the support frame 7, a rear wheel 9 is arranged on the rear side of the bottom support frame 8, a seat frame 10 which can be unfolded and folded is connected to the support frame 7 or the bottom support frame 8, and when the support frame 7 is connected with the first connecting position 5, an included angle a between the support frame 7 and the bottom support frame 8 is smaller than an included angle a between the support frame 7 and the bottom support when the support frame 7 is connected with the second connecting position 6 The angle B between the shelves 8. The lower side of the front support frame 1 is provided with a first connecting position 5, the upper side of the front support frame is provided with a second connecting position 6, when the support frame 7 is connected to the first connecting position 5, the seat frame 10 is folded, the baby carriage can be used as a scooter, one foot of a child steps on the bottom support frame, and the other foot of the child slides while stepping on the ground, so that the child plays; when the supporting frame 7 is connected to the second connecting position 6, the supporting frame 7 is lifted, the bottom supporting frame 8 rotates relative to the supporting frame 7, the included angle between the bottom supporting frame 8 and the supporting frame 7 is increased, the unfolded seat frame 10 is ensured to have enough height, the rear wheel 9 is still supported on the ground, a child can sit on the seat frame 10, and the child car can be used as a bicycle by treading the pedal 4 with double feet, so that the child car can play. Therefore, the position of the supporting frame 7 connected to the front supporting frame 1 can be changed by switching between the first connecting position 5 and the second connecting position 6, the operation is convenient, and the functions of the product are diversified. As shown in fig. 9, when the supporting frame 7 is connected to the first connecting position 5, the seat frame 10 can be folded, and the bottom frame 8 can be folded by rotating the bottom frame 8 relative to the supporting frame 7, so that the whole stroller can be folded, the occupied space is reduced, and the stroller is convenient to store and carry.

As shown in fig. 1 to 4, the seat frame 10 is rotatably connected to the position where the supporting frame 7 is connected to the bottom bracket 8, so that the whole stroller is compact and can be unfolded and folded flexibly.

As shown in fig. 1 to 4, the upper end of the support frame 7 is slidably connected with the front support frame 1 to be capable of switching between the first connection position 5 and the second connection position 6, and the lower end of the support frame 7 is rotatably connected with the bottom support frame 8 through a connection joint 11. The support frame 7 is connected with the front support frame 1 in a sliding mode, so that when the using state of the baby carriage is changed, the support frame 7 only needs to slide up and down along the front support frame 1, and then the bottom support frame 8 rotates relative to the support frame 7, and operation is very convenient and smooth.

As shown in fig. 1 to 6, the support frame 7 includes a sliding sleeve 71 sleeved on the front support frame 1 and capable of sliding up and down, a support plate 72 extending obliquely is disposed on the sliding sleeve 71, and the bottom support frame 8 is connected to a lower end of the support plate 72. Therefore, the whole baby carriage is compact in structure, smooth and flexible in switching use states, small in size after being folded and convenient to store and carry.

As shown in fig. 2, 4, 5 and 6, the first connection position 5 and the second connection position 6 are recessed holes formed in the front support frame 1, the sliding sleeve 71 is provided with a latch pin 121 capable of moving transversely therein and engaging with or disengaging from the recessed holes, the latch pin 121 is provided with an operation portion 122 exposed out of the support frame 7, a first return spring 123 capable of pushing the latch pin 121 to return is further disposed between the support frame 7 and the latch pin 121, the latch pin 121 is provided with a locking groove 124, the support frame 7 is provided with a slide pin 125 capable of sliding therein and engaging with or disengaging from the locking groove 124 and exposed out of the support frame 7, and a second return spring 126 is further disposed between the support frame 7 and the slide pin 125. When the child stroller is used as a scooter, the latch pin 121 is transversely inserted into the recessed hole of the first connecting position 5, and the sliding pin 125 is inserted into the slot 124 of the latch pin 121, so as to avoid the occurrence of mistaken unlocking due to mistaken touch of the operating portion 122, when the child stroller is required to be used as a scooter, only the sliding pin 125 needs to be pulled, and then the operating portion 122 is pulled, so that the latch pin 121 exits from the first connecting position 5, and then the sliding sleeve 71 slides upwards, when the child stroller slides to a set position, the latch pin 121 is transversely inserted into the recessed hole of the second connecting position 6, and the sliding pin 125 is clamped into the slot 124, so that the locking of the support frame 7 and the front support frame 1 is realized, and the operation is very convenient and fast.

As shown in fig. 1 to 5, the foot board 4 is detachably connected to the front wheel 3, the supporting frame 7 is provided with a receiving groove 73 for receiving the foot board 4, and when the stroller is used as a scooter, the seat frame 10 is folded on the supporting frame 7 to enclose the foot board 4 in the receiving groove 73. When the baby carriage is used as a scooter or is folded for storage, the pedal plate 4 can be stored in the storage groove 73, the seat frame 10 which is folded is closed, the pedal plate 4 is prevented from idling when the scooter slides, the use comfort is influenced, and the storage space is small.

As shown in fig. 6 to 8, the connecting joint 11 includes a first joint seat 111 disposed at the lower end of the supporting frame 7 and a second joint seat 113 disposed at the front end of the bottom supporting frame 8 and rotatably connected to the first joint seat 111 around a first pin 112, tooth grooves 114 are disposed on both the first joint seat 111 and the second joint seat 113 along the circumferential direction, a gear 115 capable of moving axially and engaging with the tooth grooves 114 on the first joint seat 111 and the second joint seat 113 is disposed in a space surrounded by the first joint seat 111 and the second joint seat 113, a third return spring 116 is further disposed between the gear 115 and the first joint seat 111, and a button 117 exposed and capable of pushing the gear 115 to disengage the gear 115 from the tooth grooves 114 on the second joint seat 113 is disposed on the second joint seat 113. When the bottom bracket 8 needs to be rotated relative to the support frame 7, the button 117 is only needed to be pressed to separate the gear 115 from the tooth groove 114 on the second joint seat 113, at this time, the bottom bracket 8 can be rotated, when the bottom bracket is rotated to a set position, the button 117 is released, then the third return spring 116 pushes the gear 115 to return, and the gear 115 is simultaneously clamped into the tooth groove 114 on the first joint seat 111 and the second joint seat 113 to realize the locking again. The whole operation is very convenient and fast.

As shown in fig. 6 to 8, the seat frame 10 is provided with a hinge seat 131 capable of rotating around the first pin 112, the hinge base 131 is provided with an arc-shaped groove 132, the first joint base 111 is provided with a second pin shaft 133 which is parallel to the first pin shaft 112 and passes through the arc-shaped groove 132, the first joint seat 111 is further provided with two positioning holes 134 along the circumferential direction, the hinge seat 131 is internally provided with a positioning pin 135 which can axially move to be clamped with or separated from the positioning holes 134, the positioning pin 135 is provided with an arc-shaped end part, and a fourth return spring (not shown) is arranged between the positioning pin 135 and the hinge seat 131, when the seat frame 10 is folded onto the supporting frame 7, the arc-shaped end of the positioning pin 135 is engaged in one of the positioning holes 134, when the seat frame 10 is rotated and unfolded relative to the supporting frame 7, the arc-shaped end of the positioning pin 135 is engaged with the other positioning hole 134. Because the positioning pin 135 has a circular arc end, when the seat frame 10 needs to be unfolded or folded, the positioning pin 135 of the seat frame can be disengaged from one positioning hole 134 by forcibly pulling the seat frame 10, when the seat frame 10 rotates to a set position, the positioning pin 135 is aligned with the other positioning hole 134, and the fourth return spring pushes the positioning pin 135 to axially move to be engaged with the positioning hole 134, so that the positioning of the seat frame 10 is realized. The arc-shaped groove 132 and the second pin 133 cooperate to provide a guiding function, so that the seat frame 10 can be unfolded or folded very stably. More importantly, the second pin 133 also supports the seat frame 10 when the seat frame 10 is unfolded, so as to ensure that the seat frame 10 has sufficient load-bearing capacity.

As shown in fig. 1, 5 and 9, the steering assembly 2 includes a steering rod 21 capable of rotating in the front support frame 1, the front wheel 3 is connected to the lower end of the steering rod 21, a steering handle 22 capable of telescoping in the steering rod 21 is arranged in the steering rod 21, and a positioning structure 14 for positioning the steering handle 22 and the steering rod 21 is arranged between the steering handle 22 and the steering rod 21. When the baby carriage is folded, the steering handle 22 can be retracted into the steering rod 21 by operating the positioning structure 14, so that the volume of the folded baby carriage is further reduced, the storage space is reduced, and the baby carriage is convenient to store and carry. The positioning structure 14 can be a conventional engaging structure, and will not be described in detail herein.

Claims

1. The utility model provides a child's bike, includes front strut (1), front strut (1) on be connected with steering assembly (2), steering assembly (2) lower extreme be connected with front wheel (3), front wheel (3) on be connected with running-board (4), its characterized in that: a first connecting position (5) is arranged at the lower side of the front support frame (1), a second connecting position (6) is arranged at the upper side of the front support frame (1), the children vehicle also comprises a supporting frame (7) which can be switched between the first connecting position (5) and the second connecting position (6) and is connected with the front supporting frame (1), the supporting frame (7) is connected with a bottom supporting frame (8) which can rotate relative to the supporting frame, a rear wheel (9) is arranged at the rear side of the bottom support frame (8), the support frame (7) or the bottom support frame (8) is also connected with a seat frame (10) which can be unfolded and folded, and when the support frame (7) is connected with the first connecting position (5), and an included angle (A) between the support frame (7) and the bottom support frame (8) is smaller than an included angle (B) between the support frame (7) and the bottom support frame (8) when the support frame (7) is connected with the second connecting position (6).

2. The child's vehicle of claim 1, wherein: the seat frame (10) is rotatably connected at the position where the support frame (7) is connected with the bottom support frame (8).

3. Child's vehicle according to claim 1 or 2, characterized in that: the upper end of the support frame (7) is connected with the front support frame (1) in a sliding mode and can be switched between the first connecting position (5) and the second connecting position (6), and the lower end of the support frame (7) is rotatably connected with the bottom support frame (8) through a connecting joint (11).

4. The child's vehicle of claim 3, wherein: the supporting frame (7) comprises a sliding sleeve (71) which is sleeved on the front supporting frame (1) and can slide up and down, a supporting plate (72) extending obliquely is arranged on the sliding sleeve (71), and the bottom supporting frame (8) is connected to the lower end of the supporting plate (72).

5. Child's vehicle according to claim 4, characterized in that: the first connecting position (5) and the second connecting position (6) are recessed holes formed in the front support frame (1), the sliding sleeve (71) is provided with a clamping lock pin (121) which can transversely move in the sliding sleeve and can be clamped with or separated from the recessed holes, the clamping lock pin (121) is provided with an operating part (122) exposed out of the support frame (7), a first return spring (123) capable of pushing the clamping lock pin (121) to return is further arranged between the support frame (7) and the clamping lock pin (121), the clamping lock pin (121) is provided with a clamping groove (124), the support frame (7) is internally provided with a sliding pin (125) which can slide in the sliding sleeve, can be clamped with or separated from the clamping groove (124) and is exposed out of the support frame (7), and a second return spring (126) is further arranged between the support frame (7) and the sliding pin (125).

6. Child's vehicle according to claim 2, characterized in that: the baby carriage is characterized in that the pedals (4) are detachably connected with the front wheel (3), the support frame (7) is provided with a containing groove (73) capable of containing the pedals (4), and when the baby carriage is used as a scooter, the seat frame (10) is folded on the support frame (7) to seal the pedals (4) in the containing groove (73).

7. The child's vehicle of claim 3, wherein: the connecting joint (11) comprises a first joint seat (111) arranged at the lower end of the support frame (7) and a second joint seat (113) arranged at the front end of the bottom support frame (8) and rotatably connected with the first joint seat (111) around a first pin shaft (112), tooth grooves (114) are arranged on the first joint seat (111) and the second joint seat (113) along the circumferential direction, a gear (115) which can axially move and is simultaneously clamped with a tooth groove (114) on the first joint seat (111) and the second joint seat (113) is arranged in a space enclosed by the first joint seat (111) and the second joint seat (113), a third return spring (116) is arranged between the gear (115) and the first joint seat (111), the second joint seat (113) is provided with a button (117) which is exposed and can push the gear (115) to separate the gear (115) from the tooth groove (114) on the second joint seat (113).

8. The child's vehicle of claim 3, wherein: the seat frame (10) is provided with a hinged seat (131) which can rotate around a first pin shaft (112), the hinged seat (131) is provided with an arc-shaped groove (132), the first joint seat (111) is provided with a second pin shaft (133) which is parallel to the first pin shaft (112) and penetrates through the arc-shaped groove (132), the first joint seat (111) is further provided with two positioning holes (134) along the circumferential direction, the hinged seat (131) is internally provided with a positioning pin (135) which can axially move and is clamped with or separated from the positioning holes (134), the positioning pin (135) is provided with an arc-shaped end part, a fourth reset spring is arranged between the positioning pin (135) and the hinged seat (131), when the seat frame (10) is folded on the support frame (7), the arc-shaped end part of the positioning pin (135) is clamped in one of the positioning holes (134), and when the seat frame (10) rotates relative to the support frame (7) to be unfolded, the arc-shaped end part of the positioning pin (135) is clamped into the other positioning hole (134).

9. The child's vehicle of claim 1, wherein: the steering assembly (2) comprises a steering rod (21) capable of rotating in the front support frame (1), the front wheels (3) are connected to the lower end of the steering rod (21), a steering handle (22) capable of stretching and retracting in the steering rod (21) is arranged in the steering rod (21), and a positioning structure (14) for positioning the steering handle (22) and the steering rod (21) is arranged between the steering handle (22) and the steering rod (21).